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An Amblypodia anita (purple leaf blue butterfly) gathering nutrients from guano. Nutrition is the biochemical and physiological process by which an organism uses food to support its life.
Opson and sitos were Classical Greek food groups, mainly used for moral education, to teach sophrosyne. Mitahara, a concept of moderate diet found in early-first-millennium Sanskrit texts, categorizes food into groups and recommends eating a variety of healthy foods, while avoiding the unhealthy ones; it also considers foods to have emotional and moral effects.
The World Health Organization (WHO) makes the following five recommendations with respect to both populations and individuals: [8]. Maintain a healthy weight by eating roughly the same number of calories that your body is using.
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Nutrient density identifies the amount of beneficial nutrients in a food product in proportion to e.g. energy content, weight or amount of perceived detrimental nutrients.. Terms such as nutrient rich and micronutrient dense refer to similar properti
Food is any substance consumed to provide nutritional support and energy to an organism. [2] [3] It can be raw, processed, or formulated and is consumed orally by animals for growth, health, or pleasure.
Food energy is chemical energy that animals (including humans) derive from their food to sustain their metabolism, including their muscular activity. [1]Most animals derive most of their energy from aerobic respiration, namely combining the carbohydrates, fats, and proteins with oxygen from air or dissolved in water. [2]
Bone meal provides phosphorus and calcium to plants, along with a largely inconsequential amount of nitrogen. [4] The N-P-K rating of bone meal is typically 3–15–0 [5] along with a calcium content of around 12% (18% CaO equiv.), [6] although it can vary quite a bit depending on the source from 1–13–0 to 3–22–0.